This excerpt from "How the Internet and Other Technologies Came About," explains that virtual reality, which is now used as a new type of video games, was first used to create tanks and submarine simulations.
This supports the idea that the technology now used in videogames resulted from an effort to solve national security problems.
Answer:
because the atmosphere shields us from radiation from the sun. also, when you put on sunscreen, the risk for skin cancer decreases.
The sentence - The ranchers called in the sheriff to settle the dispute - is written in the active voice.
The passive voice would be - The sheriff was called by the ranchers to settle the dispute.
